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- W4293877794 abstract "We introduce and study the GIT CONE of $bar{M}_{0,n}$, which is generated by the pullbacks of the natural ample line bundles on the GIT quotients $(mathbb P^1)^n//SL(2)$. We give an explicit formula for these line bundles and prove a number of basic results about the GIT cone. As one application, we prove unconditionally that the log canonical models of $bar{M}_{0,n}$ with a symmetric boundary divisor coincide with the moduli spaces of weighted curves or with the symmetric GIT quotient, extending the result of Matt Simpson arXiv:0709.4037. (Cf. also a different proof by Fedorchuk and Smyth arXiv:0810.1677)" @default.
- W4293877794 created "2022-09-01" @default.
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- W4293877794 date "2008-12-03" @default.
- W4293877794 modified "2023-09-27" @default.
- W4293877794 title "Nef divisors on $bar{M}_{0,n}$ from GIT" @default.
- W4293877794 doi "https://doi.org/10.48550/arxiv.0812.0778" @default.
- W4293877794 hasPublicationYear "2008" @default.
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